[EMAIL PROTECTED] writes: > when is WAITING in PG_STATS_ACTIVITYset to TRUE ? > When this connection is waiting on a lock , or are there any other > reasons, waiting on another resource ?
Only when waiting on a lock.
regards, tom lane
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
